English verb conjugation MUST BACKDATE

Regular verb: backdate - backdated - backdated

Affirmation

Simple form

I must backdate
you must backdate
he must backdate
we must backdate
you must backdate
they must backdate

V-ing form

I must be backdating
you must be backdating
he must be backdating
we must be backdating
you must be backdating
they must be backdating

Perfect

I must have backdated
you must have backdated
he must have backdated
we must have backdated
you must have backdated
they must have backdated

V-ing perfect

I must have been backdating
you must have been backdating
he must have been backdating
we must have been backdating
you must have been backdating
they must have been backdating

Negation

Simple form

I must not backdate
you must not backdate
he must not backdate
we must not backdate
you must not backdate
they must not backdate

V-ing form

I must not be backdating
you must not be backdating
he must not be backdating
we must not be backdating
you must not be backdating
they must not be backdating

Perfect

I must not have backdated
you must not have backdated
he must not have backdated
we must not have backdated
you must not have backdated
they must not have backdated

V-ing perfect

I must not have been backdating
you must not have been backdating
he must not have been backdating
we must not have been backdating
you must not have been backdating
they must not have been backdating

Interrogative form

Simple form

must I backdate?
must you backdate?
must he backdate?
must we backdate?
must you backdate?
must they backdate?

V-ing form

must I be backdating?
must you be backdating?
must he be backdating?
must we be backdating?
must you be backdating?
must they be backdating?

Perfect

must I have backdated?
must you have backdated?
must he have backdated?
must we have backdated?
must you have backdated?
must they have backdated?

V-ing perfect

must I have been backdating?
must you have been backdating?
must he have been backdating?
must we have been backdating?
must you have been backdating?
must they have been backdating?

Interro-negative form

Simple form

must I not backdate?
must you not backdate?
must he not backdate?
must we not backdate?
must you not backdate?
must they not backdate?

V-ing form

must I not be backdating?
must you not be backdating?
must he not be backdating?
must we not be backdating?
must you not be backdating?
must they not be backdating?

Perfect

must I not have backdated?
must you not have backdated?
must he not have backdated?
must we not have backdated?
must you not have backdated?
must they not have backdated?

V-ing perfect

must I not have been backdating?
must you not have been backdating?
must he not have been backdating?
must we not have been backdating?
must you not have been backdating?
must they not have been backdating?

Page top